Having been 是什么时态
Having been lost in the mountains for a week ,the two students were finally saved by the local police.
为什么不是 have been lost
人气：343 ℃ 时间：2020-03-30 05:50:27
解答
你不要被having 的ing 迷惑住,其实就是现在完成时,只不过做了伴随状语,需要用ing形式来修饰the two students , 所以它的原形就是have been,原句可以改成,The two students have beenlost in the mountains for a...
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